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(11)

EP 2 225 015 A1

(12)

(43) Date of publication: 08.09.2010 Bulletin 2010/36 (21) Application number: 08856492.7 (22) Date of filing: 06.11.2008

(51) International Patent Classification (IPC):  B01J 8/00(2006.01) B04C 5/15(2006.01) B01J 19/24(2006.01) B01D 45/14(2006.01) B01J 8/18(2006.01) (86) International application number: PCT/EP2008/065054 (87) International publication number: WO 2009/071414 (11.06.2009 Gazette 2009/24)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 06.12.2007 EP 07122544 (71) Applicant: Basell Poliolefine Italia S.r.l. 20124 Milano (IT)	(72) Inventors: RINALDI, Roberto I-46100 Mantova (IT) PENZO, Giuseppe I-46047 Montanara Di Curtatone (IT) MICHIELIN, Luciano .. (IT) (74) Representative: Colucci, Giuseppe  Basell Poliolefine Italia S.r.l. Intellectual Property P.le Privato G. Donegani, 12 Casella Postale 19 44100 Ferrara 44100 Ferrara (IT)